Hi Shawn, On 19-02-11 10:36, Shawn Guo wrote: > On Mon, Feb 04, 2019 at 04:29:56PM +0100, Marco Felsch wrote: > > From: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > > > > The pfla02 SoM has a Micrel KSZ9031RNX ethernet phy connected to the FEC, > > which needs RX and TX clock skew settings to compensate for differences > > in line length. The skew values are taken from barebox commit > > 4c65c20f1071 ("ARM: pfla02: Set new ethernet phy tx timings"), which > > is based on patches originally provided by Phytec: > > > > TX_CLK line is approx. 54mm longer than other TX lines which adds > > a delay of 0.36ns. RGMII need a delay of min. 1.0ns. This mean we > > have to add a delay of 0.64ns. We choose 0.78 to have a little gap. > > This can be done by setting GTX pad skew value to 11100 > > Also add a delay for the RX delay lines, needed for the Duallite > > variant. => Set register 2.8 (RGMII Clock Pad Skew) to 0x039F. > > > > Cc: Christian Hemp <c.hemp@xxxxxxxxx> > > Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > > Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> > > Applied, thanks. Thanks, for applying. Just for me, is something wrong with the first patch? Regards, Marco